Standard: ANSI B 27.7
Available sizes: 1 to 5 (5 sizes)
| Size | P | k_max | k_min | s_max | s_min | ds_max | ds_min | k_nominal | ds_nominal |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 1.3 | 0.3 | 0.2 | 1.33 | 1.22 | 0.55 | 0.014 | 0.25 | 4 |
| 2 | 2.9 | 0.66 | 0.54 | 2.93 | 2.82 | 0.85 | 0.095 | 0.6 | 7.2 |
| 3 |
| 4.7 |
| 0.66 |
| 0.54 |
| 4.73 |
| 4.62 |
| 1.15 |
| 0.21 |
| 0.6 |
| 11.1 |
| 4 | 6.15 | 0.66 | 0.54 | 6.2 | 6.05 | 1.4 | 0.35 | 0.6 | 14.6 |
| 5 | 7.6 | 0.96 | 0.84 | 7.65 | 7.5 | 1.5 | 0.68 | 0.9 | 16.8 |
Standard corrosion protection for indoor and mild outdoor environments.
Salt spray: 96–200 hours | RoHS compliant (trivalent chromium)
High-performance coating for automotive, marine, and harsh environments.
Salt spray: 720–1500 hours | Recommended for grade 8.8+
Heavy-duty protection for structural and outdoor applications.
Salt spray: 500–1000 hours | Thread tolerance adjustment required
Note for high-strength fasteners (Grade 10.9, 12.9): Electroplating processes require hydrogen embrittlement relief baking (minimum 4 hours at 200°C within 4 hours of plating). Contact our engineering team for grade-specific plating recommendations.
Request detailed technical specifications, material certifications, and availability information for your application requirements. Our engineering team can provide product recommendations, custom specifications, and technical documentation.
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